40563848453 has 2 divisors, whose sum is σ = 40563848454. Its totient is φ = 40563848452.

The previous prime is 40563848449. The next prime is 40563848477. The reversal of 40563848453 is 35484836504.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40554709924 + 9138529 = 201382^2 + 3023^2 .

It is a cyclic number.

It is not a de Polignac number, because 40563848453 - 2² = 40563848449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40563848653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20281924226 + 20281924227.

It is an arithmetic number, because the mean of its divisors is an integer number (20281924227).

Almost surely, 2^40563848453 is an apocalyptic number.

It is an amenable number.

40563848453 is a deficient number, since it is larger than the sum of its proper divisors (1).

40563848453 is an equidigital number, since it uses as much as digits as its factorization.

40563848453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 40563848453 in words is "forty billion, five hundred sixty-three million, eight hundred forty-eight thousand, four hundred fifty-three".